openendadj.开口的(无底的；无终止的；无尽头的)openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open a trunk to steal胠箧Open transport system开放式交通系统Open or switch to the打开或切换到站点的open phase protection断相保护装置open-lab experiment开放性实验open end tooth harrow开端式齿耙open delta connection开放三角形结线open-air atmosphere露天环境open-ended response无限制反应open one's shopwindow她的五官轮廓分明。